Vaccine Responses to Influenza A H1N1/09 Immunization in High-risk Patients

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Ages Eligible for Study:

6 Months and older (Child, Adult, Senior)

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

Yes

Criteria

Inclusion Criteria:

medically recommended influenza A(H1N1) immunization

signed informed consent

Exclusion Criteria:

failure or refusal to provide sufficient blood for antibody determination